Portion of an interlocking building and surfacing material



FIG. 1 is a perspective view of a portion of an interlocking building and surfacing material showing my new design;

FIG. 2 is a top view thereof;

FIG. 3 is a reduced scale top view thereof, showing the interlocking feature thereof;

FIG. 4 is a perspective view of a second embodiment thereof;

FIG. 5 is a top view thereof;

FIG. 6 is a reduced scale top view thereof, showing the interlocking feature thereof;

FIG. 7 is a perspective view of a third embodiment thereof;

FIG. 8 is a top view thereof; and,

FIG. 9 is a reduced scale top view thereof, showing the interlocking feature thereof.

The broken lines are environmental only and form no part of the claimed design. 

The ornamental design for a portion of an interlocking building and surfacing material, as shown and described. 